The "Flash Loader IP Not Loaded on Device 1" error sounds complex, but it usually means the CPU is asleep or stuck. By using or switching to the System Memory Bootloader , you can almost always recover the device. Never throw away an STM32 that shows this error – it is almost certainly recoverable.
// Disable low-power modes during debug __HAL_DBGMCU_DISABLE_SLEEP(); __HAL_DBGMCU_DISABLE_STOP(); __HAL_DBGMCU_DISABLE_STANDBY(); Then, erase the faulty firmware that put the chip to sleep. Flash Loader Ip Not Loaded On Device 1
Try these in order, from simplest to most thorough. The "Flash Loader IP Not Loaded on Device
Fixing the "Flash Loader IP Not Loaded on Device 1" Error in STM32 Programming Flash Loader Ip Not Loaded On Device 1